<%@page import="com.test.Calc"%><%@ page contentType="text/html; charset=UTF-8" %><% request.setCharacterEncoding("UTF-8"); %><%     int su1 = Integer.parseInt(request.getParameter("su1"));    int su2 = Integer.parseInt(request.getParameter("su2"));    String oper = request.getParameter("oper");    Calc ob = new Calc();    ob.setSu1(su1);    ob.setSu2(su2);    ob.setOper(oper);    String str = ob.result();%><!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>Insert title here</title></head><body><%=str %></body></html>